<!doctype html>
<html>
    <head>
        <title>Chroma.js</title>
        <script type="text/javascript" src="../../chroma.js"></script>
    </head>
    <body>
        <script type="text/javascript">
            function showScale(color, mode, odiv) {
                var c = document.createElement('div');
                for (var i = 0; i <= 1; i += 0.01) {
                    var col = chroma(color).luminance(i, mode);
                    var d = document.createElement('div');
                    d.style.display = 'inline-block';
                    d.style.width = '10px';
                    d.style.height = '60px';
                    d.style.background = col.hex();
                    c.appendChild(d);
                }
                odiv.appendChild(c);
            }

            var scales = [
                ['red', 'rgb'],
                ['red', 'lab'],
                ['yellow', 'lab'],
                ['black', 'rgb'],
                ['blue', 'rgb'],
                ['green', 'rgb'],
                ['green', 'lab'],
                ['orange', 'rgb']
            ];

            for (var s in scales) {
                s = scales[s];
                d = document.createElement('div');
                d.style.position = 'relative';
                document.body.appendChild(d);
                d.innerHTML =
                    "<div style='position:absolute;top:5px;left:10px;opacity:0.9;color:#000;text-shadow:-1px -1px 0px rgba(255,255,255,0.3), 1px 1px 0px rgba(255,255,255,0.3), -1px 1px 0px rgba(255,255,255,0.3), 1px -1px 0px rgba(255,255,255,0.3)'><code>" +
                    s.join(' / ') +
                    '</code></div>';
                showScale(s[0], s[1], d);
            }
        </script>
    </body>
</html>
